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            <span><b>1.</b> 面向对象</span>
            
            
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                            <b>1.2.</b>
                        
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                            <b>1.5.4.</b>
                        
                        原型的使用
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                        原型三角绘制
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                        属性搜索原则
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                        原型链结构
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                        原型式继承
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                        arguments对象
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<h3 id="&#x4E3E;&#x4F8B;&#x8BF4;&#x660E;&#xFF1A;">&#x4E3E;&#x4F8B;&#x8BF4;&#x660E;&#xFF1A;</h3>
<pre><code class="lang-js">
<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">Person</span>(<span class="hljs-params"></span>)</span>{
    <span class="hljs-keyword">this</span>.name = <span class="hljs-string">&quot;zs&quot;</span>,
    <span class="hljs-keyword">this</span>.sayHello = <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
        <span class="hljs-built_in">console</span>.log(<span class="hljs-string">&quot;Hello World&quot;</span>);
    }
}

<span class="hljs-comment">//&#x4E0B;&#x9762;&#x8FD9;&#x4E2A;sayHi&#x65B9;&#x6CD5;&#x5C31;&#x662F;&#x6784;&#x9020;&#x51FD;&#x6570;&#x81EA;&#x5DF1;&#x7684;&#x65B9;&#x6CD5;&#xFF0C;&#x4E5F;&#x5C31;&#x662F;&#x9759;&#x6001;&#x65B9;&#x6CD5;</span>
Person.sayHi = <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    <span class="hljs-built_in">console</span>.log(<span class="hljs-string">&quot;I&apos;m a Person&quot;</span>);
}

<span class="hljs-comment">//&#x539F;&#x578B;&#x5C5E;&#x6027;&#x5C5E;&#x4E8E;&#x6784;&#x9020;&#x51FD;&#x6570;&#xFF0C;&#x6240;&#x4EE5;&#x539F;&#x578B;&#x5C5E;&#x6027;&#x662F;&#x9759;&#x6001;&#x5C5E;&#x6027;</span>
Person.prototype = {};
<span class="hljs-keyword">var</span> p = <span class="hljs-keyword">new</span> Person();

<span class="hljs-comment">//&#x8FD9;&#x91CC;&#x7684;name&#x662F;&#x6784;&#x9020;&#x51FD;&#x6570;&#x521B;&#x5EFA;&#x51FA;&#x6765;&#x7684;&#x5B9E;&#x4F8B;&#x5BF9;&#x8C61;&#x7684;&#x5C5E;&#x6027;&#xFF0C;&#x6240;&#x4EE5;&#x662F;&#x5B9E;&#x4F8B;&#x5C5E;&#x6027;</span>
p.name = <span class="hljs-string">&quot;&#x674E;&#x56DB;&quot;</span>;


<span class="hljs-comment">//&#x8FD9;&#x91CC;&#x7684;sayHello&#x4E5F;&#x662F;&#x6784;&#x9020;&#x51FD;&#x6570;&#x521B;&#x5EFA;&#x51FA;&#x6765;&#x7684;&#x5B9E;&#x4F8B;&#x5BF9;&#x8C61;&#x7684;&#x65B9;&#x6CD5;&#xFF0C;&#x6240;&#x4EE5;&#x662F;&#x5B9E;&#x4F8B;&#x65B9;&#x6CD5;</span>
p.sayHello();
</code></pre>
<h3 id="&#x63D0;&#x793A;&#xFF1A;">&#x63D0;&#x793A;&#xFF1A;</h3>
<p>&#x4E00;&#x822C;&#x5DE5;&#x5177;&#x578B;&#x65B9;&#x6CD5;&#x90FD;&#x6709;&#x9759;&#x6001;&#x6210;&#x5458;&#x63D0;&#x4F9B;, &#x4E00;&#x822C;&#x4E0E;&#x5B9E;&#x4F8B;&#x5BF9;&#x8C61;&#x6709;&#x5173;&#x7684;&#x65B9;&#x6CD5;&#x7531;&#x5B9E;&#x4F8B;&#x6210;&#x5458;&#x8868;&#x793A;.</p>
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